Qt 5.0 does not support properly with programs

Hi,
Having a serious issue with Qt 5.0.0 (64 bit) on UBUNTU 12.04 (64 bit), when i run my program with this version of Qt, it is not displaying the correct output.
But when i am devolping with UBUNTU 11.10 (64 bit) and using with Qt 4.7.4 (32 bit) then same program gives the correct output.
where is the problem in this. Is it require another extra package to run programs on UBUNTU 12.04 (64 bit) ?
Thanks in advance....